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09-12-2005, 12:54 PM | #1 |
Scooby Specialist
Member#: 20442
Join Date: Jun 2002
Chapter/Region:
NESIC
Location: Chelmsford, MA
Vehicle:2022 WRX Limited WRB |
JDM EJ205 education needed
Saw the Gruppe-S post on the dealer's board for the JDM EJ205 Legacy motors for $1400 and it seems like an awesome deal for a motor that gives you AVCS, higher compression, better cams, better heads, etc. Before I dive in and do something I may regret later, what would be the major differences between these motors and the V7 and V8 STi motors that sell for over 4 times as much?
I'm not worried about the plastic intake manifold because I can swap my stock one over. And I already have a bigger Helix intercooler, so that's not an issue either. Just wondering if there are differences like closed deck vs. semi-closed vs. open, or lack of TGV's in the intake, or things like that which make the V7 and V8 motors worth the premium price. I also know I'd have to get a JDM ECU, so the comparison is more like $2k vs. $8k. But it still seems like way too good a deal to pass up. Any help from the JDM motor experts here?
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09-12-2005, 03:58 PM | #2 |
Scooby Specialist
Member#: 82741
Join Date: Mar 2005
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NESIC
Location: Bristol, CT
Vehicle:2007 350Z Silver |
The legacy motors are used. The ones you see on the site are brand new crate longblocks. The JDM legacy EJ205 probably have the same bottom end as USDM EJ205. The V7 and 8 JDM STi motors are EJ207, they will have a stronger bottom end with a faster valvetrain.
A closed block can withstand more power then a semi-closed block. Open blocks are the weakest as nothing prevents the cylinders from moving around at higher power levels. TGV's are required by emmissions in order to obtain the WRX's LEV status. In japan, emmissions are not as strict as they are here, so they don't have them. |
09-12-2005, 09:11 PM | #3 | |
Scooby Guru
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Join Date: Feb 2003
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NESIC
Location: lincoln, ri
Vehicle:2003 GGA MBP 12.9 / 105+ |
Quote:
jm2c ken |
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09-12-2005, 09:53 PM | #4 |
Scooby Specialist
Member#: 66152
Join Date: Jul 2004
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SCIC
Location: SoCal
Vehicle:04 wrx sti blue |
i just got a v8 sti motor off gruppe-s, good stuff man mike is a genious. they do a realy good job if you plan to have it installed. the parts are practically new. the engine i got was a take off but upon mikes inspection he said that the motor didnt even seem to have 8 miles on it he said there were no carbon buildups. i personaly went with a v8 ej207 vf35 565's jdm ecu and an ecutek reflash 230 on their dyno on a simple tune, full boost/trq at 3k. ill be retunninn after i get some miles in it.
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04-12-2021, 08:04 AM | #5 |
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Join Date: Apr 2021
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education
thanks for this
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04-13-2021, 12:15 AM | #6 | |
Scooby Specialist
Member#: 110078
Join Date: Mar 2006
Location: Long Island N.Y.
Vehicle:02 Bugeye JDM STi OBP BLACK |
Quote:
Are you talking about ej20y and ej20x motors ? |
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04-13-2021, 12:18 AM | #7 |
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04-14-2021, 12:45 AM | #8 |
Scooby Specialist
Member#: 110078
Join Date: Mar 2006
Location: Long Island N.Y.
Vehicle:02 Bugeye JDM STi OBP BLACK |
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